ches's poblems,

22cm= 220.0mm
51mm=0.000051 k
1k= 10000.0deci
9m= 900.0cm
3deci=300.0 mm

karen's problems

9.2cm=.0000092k
5m=5000mm
0.52cm=.00052m
300deci=.300000mm
33km=33000000mm

Looks good guys!! Hope you are having fun at home today! :)Mrs. Johnson